I don't get it....A little too diluted to be funny or offensive.
EDIT:
Oh wait...its because.....No sorry, still doesn't make any sense at all.
EDIT#2:
Oh I get it now, it's Beau Biden and...no wait...that still doesn't make any darn sense. Hmmmmmm...
EDIT#3:
Finally, I see the funny twist that would make this a 'joke'...no wait I don't. Do you have a 'sense of humor'? Is this your first joke? If so, that's ok, just try to actually make it topical and relevant and you should get a lot better.